4Z 231 then SA 363 at Johannesburg
Nampula → Johannesburg → Cape Town
Timetable, Johannesburg time
16:304Z 231 from Nampula at the gate
21:15SA 363 to Cape Town leaves the gate
4 h 45 apart on the timetable
Johannesburg’s board gives a departure time for only about 59% of its flights, so many days show no gate time.
The last days
4Z 231 and SA 363 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.